ES2004153T3 - CONCENTRATION CELL FOR MEASURING THE SILICON CONTENT OF LIQUID METAL. - Google Patents

CONCENTRATION CELL FOR MEASURING THE SILICON CONTENT OF LIQUID METAL.

Info

Publication number
ES2004153T3
ES2004153T3 ES88830119T ES88830119T ES2004153T3 ES 2004153 T3 ES2004153 T3 ES 2004153T3 ES 88830119 T ES88830119 T ES 88830119T ES 88830119 T ES88830119 T ES 88830119T ES 2004153 T3 ES2004153 T3 ES 2004153T3
Authority
ES
Spain
Prior art keywords
content
metal
hopper
silicone
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES88830119T
Other languages
Spanish (es)
Other versions
ES2004153A4 (en
Inventor
Paolo Granati
Maurizio Palchetti
Santi Palella
Giuseppe C O Italside Federico
Andrea Mazzarano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SVILUPPO MATERIALI SpA
Ilva SpA
Rina Consulting Centro Sviluppo Materiali SpA
Original Assignee
SVILUPPO MATERIALI SpA
Centro Sviluppo Materiali SpA
Ilva SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IT47777/87A external-priority patent/IT1205771B/en
Priority claimed from IT47734/88A external-priority patent/IT1219868B/en
Application filed by SVILUPPO MATERIALI SpA, Centro Sviluppo Materiali SpA, Ilva SpA filed Critical SVILUPPO MATERIALI SpA
Publication of ES2004153A4 publication Critical patent/ES2004153A4/en
Application granted granted Critical
Publication of ES2004153T3 publication Critical patent/ES2004153T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4161—Systems measuring the voltage and using a constant current supply, e.g. chronopotentiometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/202—Constituents thereof
    • G01N33/2022—Non-metallic constituents
    • G01N33/2025—Gaseous constituents

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

LA TENDENCIA EN LOS DIAS ACTUALES HACIA LA PRODUCCION DE ACEROS EXTRA-PUROS HA CONDUCIDO A INICIATIVAS PARA DESARROLLAR TRATAMIENTOS QUE EXTRAIGAN LOS ELEMENTOS INDESEABLES (ESPECIALMENTE AZUFRE Y FOSFORO) DEL METAL FUNDIDO ANTES DE ESTE SEA ALIMENTADO EN EL CONVERTIDOR. UNA PRACTICA EFECTIVA QUE HA SIDO DESARROLLADA Y PROBADA POR ALGUNOS DE LOS INVENTORES ANTES MENCIONADOS SE REFIERE AL TRATAMIENTO CONTINUO DEL METAL FUNDIDO MIENTRAS FLUYE A TRAVES DE LA TOLVA DEL ALTO HORNO; ESTO REQUIERE UNA OBSERVACION CONTINUA DE LA COMPOSICION DEL METAL FUNDIDO, Y EN PARTICULAR DEL CONTENIDO DE SILICONA QUE TIENE UNA FUERTE INFLUENCIA EN LA REACCION DE DEFOSFORACION. LA CELDA ELECTROQUIMICA MEJORADA DE ACUERDO CON ESTA INVENCION PERMITE MEDIR, EN UNA BASE CONTINUA Y PARA PERIODOS DE TIEMPO EXTENSOS, EL CONTENIDO DE SILICONA DEL METAL FUNDIDO DE SALIDA Y POR TANTO POSIBILITA AL OPERADOR QUE APLIQUE INMEDIATAMENTE LA ACCION CORRECTORA NECESARIA PARA PREVENIR LA DESVIACION INDESEABLE DEL CONTENIDO EN IMPUREZAS.THE TREND IN CURRENT DAYS TOWARDS THE PRODUCTION OF EXTRA-PURE STEELS HAS LEADED TO INITIATIVES TO DEVELOP TREATMENTS THAT EXTRACT THE UNDESIRABLE ELEMENTS (ESPECIALLY SULFUR AND PHOSPHORUS) OF THE MELTED METAL BEFORE THIS SEA FOOD. AN EFFECTIVE PRACTICE THAT HAS BEEN DEVELOPED AND TESTED BY SOME OF THE ABOVE INVENTORS REFERS TO THE CONTINUOUS TREATMENT OF CAST METAL WHILE FLOWING THROUGH THE HOPPER OVEN HOPPER; THIS REQUIRES A CONTINUOUS OBSERVATION OF THE COMPOSITION OF THE FUSED METAL, AND IN PARTICULAR OF THE CONTENT OF SILICONE THAT HAS A STRONG INFLUENCE IN THE REACTION OF DEFOSFORATION. THE IMPROVED ELECTROCHEMICAL CELL ACCORDING TO THIS INVENTION ALLOWS TO MEASURE, ON A CONTINUING BASIS AND FOR EXTENDED PERIODS OF TIME, THE SILICONE CONTENT OF THE MELTING METAL DEPARTURE AND THEREFORE POSSIBLE IT WILL CAUSE THE OPERATOR TO MAKE AN APPLICABLE SEIZE OF THE CORRECT ACTION OF THE CONTENT IN IMPURITIES.

ES88830119T 1987-03-27 1988-03-25 CONCENTRATION CELL FOR MEASURING THE SILICON CONTENT OF LIQUID METAL. Expired - Lifetime ES2004153T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT47777/87A IT1205771B (en) 1987-03-27 1987-03-27 Cell for monitoring silicon content of molten metals
IT47734/88A IT1219868B (en) 1988-03-16 1988-03-16 Cell for monitoring silicon content of molten metals

Publications (2)

Publication Number Publication Date
ES2004153A4 ES2004153A4 (en) 1988-12-16
ES2004153T3 true ES2004153T3 (en) 1994-01-16

Family

ID=26329226

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88830119T Expired - Lifetime ES2004153T3 (en) 1987-03-27 1988-03-25 CONCENTRATION CELL FOR MEASURING THE SILICON CONTENT OF LIQUID METAL.

Country Status (8)

Country Link
EP (1) EP0285578B1 (en)
JP (1) JPS63255655A (en)
KR (1) KR940002514B1 (en)
BR (1) BR8801478A (en)
DE (1) DE3883576T2 (en)
ES (1) ES2004153T3 (en)
GR (1) GR890300167T1 (en)
MX (1) MX172960B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104899425A (en) * 2015-05-07 2015-09-09 浙江大学 Variable selection and forecast method of silicon content in molten iron of blast furnace

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182157A (en) * 1981-05-02 1982-11-09 Terumo Corp Oxygen meter
JPS5973763A (en) * 1982-10-20 1984-04-26 Kobe Steel Ltd Rapid measurement of silicon content in molten metal
HU191839B (en) * 1983-05-16 1987-04-28 Nehezipari Mueszaki Egyetem Method and device for measuring continuously the solute alumina content of cryolite melts with alumina content during operation
JPS60113145A (en) * 1983-11-25 1985-06-19 Kobe Steel Ltd Probe for measuring rapidly silicon quantity in molten metal
JPS61260156A (en) * 1985-05-15 1986-11-18 Nisshin Steel Co Ltd Method and apparatus for measuring silicon concentration in molten metal

Also Published As

Publication number Publication date
EP0285578A2 (en) 1988-10-05
DE3883576T2 (en) 1993-12-23
EP0285578A3 (en) 1990-05-16
KR880011583A (en) 1988-10-29
EP0285578B1 (en) 1993-09-01
DE3883576D1 (en) 1993-10-07
JPH0559379B2 (en) 1993-08-30
JPS63255655A (en) 1988-10-21
BR8801478A (en) 1988-11-01
ES2004153A4 (en) 1988-12-16
GR890300167T1 (en) 1990-12-31
KR940002514B1 (en) 1994-03-25
MX172960B (en) 1994-01-26

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